11. Write the significance of the following gases.
oxygen, carbon di oxide, ozone, other gases,nitrogen.
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gases are really compleacated and I don't even know the answer
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Oxygen-it is needed for human beings.it is also needs to burning.it is also used in respiration and photosynthesis.
Carbon dioxide- it is needed for plants.
Ozone-it protects the earth from harmful rays.
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